This drivers enable various USB Audio devices on the OS/2-eCS Platform.
- USB Basic Device Driver
- Labtec LCS-1040 (speaker only)
- Altec ADA-70 (speaker only)
- TELEX H-531 (microphone only)
Check the full list at: Audio_Cards#USB
- IBM USB Audio 2002-Mar-27 - N/A
- Lar's USB Drivers 
The IBM edition was available under Software Choice subscription, but now it is discontinued and abandon.
The Lars Erdmann edition is freeware.